@mixin fade-motion($className, $keyframeName) {
    @include make-motion($className, $keyframeName);
    .#{$className}-enter-active,
    .#{$className}-appear {
        opacity: 0;
        animation-timing-function: linear;
    }
    .#{$className}-leave-active {
        animation-timing-function: linear;
    }
}
@include fade-motion(fade, vuFade);

@keyframes vuFadeIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

@keyframes vuFadeOut {
    0% {
        opacity: 1;
    }
    100% {
        opacity: 0;
    }
}
